Added `stages' and `api' targets.
Added `stages' and `api' targets.

inveniosoftware/invenio-records,tiborsimko/invenio-records,tiborsimko/invenio-search,tiborsimko/invenio-records,tiborsimko/invenio-search,inveniosoftware/invenio-search,inveniosoftware/invenio-search,inveniosoftware/invenio-records